25 MPG combined isn’t going to win any awards in 2024 but it’s a perfectly reasonable figure for the Audi A6 Allroad quattro 3.0L 6-cyl, a vehicle that prioritizes performance and all-weather capability over outright fuel sipping. This isn’t a hypermiling Prius, it’s a premium wagon designed to confidently eat up highway miles and handle unpaved roads with equal aplomb. Its owners likely value its blend of luxury, practicality, and performance, accepting the fuel consumption as part of the package.

City and highway performance

The EPA estimates 22 MPG in the city and 30 MPG on the highway for the A6 Allroad, numbers that reflect the realities of its powertrain and quattro all-wheel-drive system. In urban environments, stop-and-go traffic and frequent acceleration will naturally take a toll on fuel economy. The standard automatic (AM-S7) transmission, while smooth and responsive, isn’t geared for ultimate city efficiency. On the open road, however, the A6 Allroad fares better. Its engine is able to cruise efficiently at higher speeds, making long road trips relatively economical, though the permanent all-wheel-drive system will still have a small effect on fuel consumption.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2024 Audi A6 Allroad quattro 3.0L 6-cyl at $2,300. This figure is based on driving 15,000 miles per year and using national average fuel prices. Of course, actual fuel costs will vary depending on driving habits, local fuel prices, and the specific blend of city versus highway driving. Drivers who primarily operate the A6 Allroad in congested urban areas, or those who frequently engage the engine’s considerable power, should expect to exceed this figure.

Real-world expectations

While EPA estimates provide a standardized baseline, real-world fuel economy often differs. Factors like driving style, terrain, and vehicle maintenance all play a significant role. A lead-footed driver who enjoys exploiting the A6 Allroad’s responsive engine will likely see lower MPG figures. Conversely, a driver with a gentler touch and a focus on smooth acceleration and consistent speeds may be able to match or even slightly exceed the EPA estimates. Regular maintenance, including proper tire inflation and timely servicing, is also critical for maintaining optimal fuel efficiency.

How it compares

The A6 Allroad occupies a niche segment, but several competitors offer similar blends of luxury and utility. The Volvo V90 Cross Country, for example, achieves a combined 25 MPG with its B6 engine, matching the A6 Allroad, but offers a slightly different driving experience. The Mercedes-Benz E450 All-Terrain, another key competitor, posts a 24 MPG combined rating. These slight variations matter to buyers meticulously comparing MPG across models, especially when considering the A6 MPG across all years. Buyers choosing the Allroad over a traditional SUV might be prioritizing its wagon-like profile and performance, willing to trade a small amount of fuel efficiency for its unique character.

Tips to maximize efficiency

Take advantage of the Audi Drive Select system to choose the “Efficiency” mode when appropriate. This mode optimizes engine and transmission settings for fuel conservation. The changes are subtle, but over time, these small adjustments can add up to noticeable savings at the pump. Don’t use “Dynamic” mode unless you are genuinely seeking maximum performance.

Avoid aggressive acceleration and hard braking whenever possible. The A6 Allroad’s engine is responsive, but smooth and gradual inputs will minimize fuel consumption. Anticipate traffic flow and maintain a consistent speed to reduce unnecessary fuel burn. Consider using the adaptive cruise control system on highway drives, as it can help maintain a steady speed and optimize fuel economy.

Ensure your tires are properly inflated to the recommended pressure. Underinflated tires increase rolling resistance, which can significantly reduce fuel efficiency. Check your tire pressure regularly, especially during temperature changes. The correct tire pressure is usually listed on a sticker inside the driver’s side door jamb.

Reduce unnecessary weight in the vehicle. Carrying around extra cargo adds to the vehicle’s overall weight, forcing the engine to work harder and consume more fuel. Remove any items you don’t need to improve fuel efficiency. Consider removing the roof rack when not in use as it can lower the drag coefficient and improve overall fuel economy, too. Review all Audi fuel economy data for comparison to lighter models.